fix some colors in paradise theme

lua/hl_themes/paradise.lua

@@ -2,7 +2,7 @@ local colors = {
    white = "#e8e3e3",
    darker_black = "#121212",
    black = "#151515", --  nvim bg
-   black2 = "#181818",
+   black2 = "#1a1a1a",
    one_bg = "#1f1f1f",
    one_bg2 = "#282828",
    one_bg3 = "#303030",
@@ -26,7 +26,7 @@ local colors = {
    orange = "#CEB385",
    cyan = "#8aa6a2",
    statusline_bg = "#181818",
-   lightbg = "#1b1b1b",
+   lightbg = "#252525",
    lightbg2 = "#1f1f1f",
    pmenu_bg = "#8aa6a2",
    folder_bg = "#8da3b9",